All of the following are true about releasing untreated sewage into a river except
A) It decreases the dissolved oxygen.
B) It increases the BOD.
C) It is a health hazard.
D) It kills bacteria.
E) None of the above.
Correct Answer:
Verified
Q10: Aerobic respiration occurs in
A) Anaerobic sludge digestion.
B)
Q11: The product of which process contains the
Q12: Which of the following is not a
Q13: Which of the following organisms is using
Q14: Most of the microorganisms in the soil
Q16: A trickling filter
A) Requires aerobic conditions.
B) Requires
Q17: Sedimentation of sludge occurs in
A) Anaerobic sludge
Q18: In one hospital, Pseudomonas aeruginosa serotype 10
Q19: Primary sewage treatment
A) Takes place under aerobic
Q20: Figure 27.1
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